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Changelog

This page tracks major changes to the NHRA Game Theory toolkit.

v26.0.1 — 2025-12-27

Documentation

  • Comprehensive documentation expansion: Added guides (usage, models), project (requirements), and reference sections
  • Game theory models reference: Documented all 9 stage games with payoff formulas
  • Architecture diagrams: Added Mermaid diagrams for system architecture and data flow

CI/CD

  • Fixed isort/ruff conflict by consolidating on ruff I001
  • Added .gitattributes for LF line endings (Windows fix)
  • Updated deptry ignores for dependency hygiene

v23 — 2025-12-24

Features

  • Dashboard Enhancements: Added Effective Share Drift analysis and Ranked Intervention Table (with uncertainty)
  • Reporting: Automated generation of Methods Appendix and Manuscript Parameter Table (STRESS compliant)
  • Documentation: Restructured reporting scripts into scripts/reporting/

v22 — 2025-12-24

Features

  • Empirical Spine: Integrated historical NEP (IHACPA) and WPI (ABS) series to drive efficiency gap drift dynamically
  • Mechanism Refinement: Overhauled Cost Shifting game to correct inert parameter sensitivity
  • Stability Analysis: Added tipping point heatmap and PSA distribution analysis
  • Validation: Implemented Recursive Backtesting Engine (rolling horizon) and Mechanism Validation Suite

v21 — 2025-12-21

Features

  • Added Kiro-style project context artifacts: requirements.md, design.md, tasks.md
  • Updated context pack builder to include project docs and parameter registry
  • Migrated parameter registry schema and strengthened public-only grounding checks

v17 — 2025-12-21

Features

  • Round 2 review + implementation: decision-oriented intervention scenarios
  • Extended equilibria exports
  • Expanded narrative report with figure captions and abbreviations
  • Added run/plot/report scripts for v17 outputs

v16 — 2025-12-21

Features

  • Round 1 review + implementation
  • Per-file coverage enforcement (>=95%)
  • Expanded reporting and summaries
  • Diagram sync outputs

v15 — 2025-12-20

Features

  • Initial equilibria solver implementation (pure + mixed where applicable)
  • Scenario and sensitivity analysis additions

Earlier Versions

For the complete changelog, see the CHANGELOG.md in the repository root.